half-blue
/ˈhɑːfbluː/noun
1- Brit. a person who has represented Oxford or Cambridge University in a minor sport or as a second choice in any sport〈英〉（牛津或剑桥大学的）次要项目的选手; 替补队员。
1.1
- the distinction gained in this way成为（牛津或剑桥大学的）次要项目选手（或替补队员）的荣誉。